.container {
    height: 100%; }
  
  .columns {
    height: 100%; }
  
  html, body {
    height: 100%;
    margin: 0; }
  
  a {
    color: #004ed0; }
  
  a:hover {
    color: #6d6d6d;
    text-decoration: none; }
  
  img {
    max-width: 100%;
    max-height: 100%; }
  
  .book-container {
    height: 100%;
    font-family: 'Noto Sans TC', sans-serif; }
    @media all and (min-width: 960px) {
      .book-container {
        padding: 1rem 2rem; } }
    @media all and (max-width: 959px) {
      .book-container {
        padding: 0 1rem; } }
  
  .book-content a {
    color: #004ed0; }
  
  .book-content a:hover {
    color: #6d6d6d; }
  
  .book-content {
    margin-top: 0.5rem;
    margin-left: 0.5rem; }
  
  .home-post-title h3 {
    font-size: 1rem;
    color: #004ed0; }
  
  .home-post-excerpt {
    font-size: 14px;
    color: #858585; }
  
  .book-navbar {
    padding: 0.75rem 0; }
    @media all and (min-width: 960px) {
      .book-navbar {
        display: none; } }
    @media all and (max-width: 959px) {
      .book-navbar {
        display: block; } }
    .book-navbar ul {
      list-style: none;
      margin: 0; }
      .book-navbar ul ul {
        margin: 0 0 0 .5rem; }
    .book-navbar .navbar-icon {
      width: 25px; }
    .book-navbar .accordion-body {
      margin: 0.375rem 0; }
  
  .book-post {
    max-width: 95%; }
    .book-post .book-post-title {
      font-size: 2rem; }
    .book-post .book-post-metadata {
      padding: 0.75rem 0 1rem 0;
      font-size: 14px;
      font-weight: bold; }
    .book-post a:hover {
      text-decoration: underline; }
    .book-post h1, .book-post h2, .book-post h3, .book-post h4, .book-post h5, .book-post h6 {
      font-weight: bold;
      padding-bottom: 0.625rem;
      margin-bottom: 1rem;
      border-bottom: 1px solid #ddd; }
    .book-post h2, .book-post h3, .book-post h4, .book-post h5, .book-post h6 {
      margin-top: 1.25rem; }
    .book-post h1 {
      font-size: 1.5rem; }
    .book-post h2 {
      font-size: 1.375rem; }
    .book-post h3 {
      font-size: 1.25rem; }
    .book-post h4 {
      font-size: 1.125rem; }
    .book-post h5 {
      font-size: 1rem; }
    .book-post h6 {
      font-size: 0.875rem; }
    .book-post p {
      font-size: 16px;
      margin-bottom: 0.625rem; }
    .book-post hr {
      border: 0.5px solid #ddd;
      background-color: #ddd;
      margin: 1rem 0; }
    .book-post .table-wrapper {
      max-width: 100%;
      margin: 1.5rem 0;
      overflow: auto; }
      .book-post .table-wrapper table {
        width: 100%; }
        .book-post .table-wrapper table th, .book-post .table-wrapper table td {
          padding: 0.75rem;
          border-top: 1px solid #ddd;
          text-align: left; }
    .book-post ul ol, .book-post ol ol {
      margin-top: 0;
      margin-bottom: 0; }
    .book-post ul ul, .book-post ol ul {
      margin-top: 0;
      margin-bottom: 0; }
    .book-post li {
      margin-top: .4rem;
      margin-bottom: .4rem; }
    .book-post blockquote p:last-child {
      margin-top: 0;
      margin-bottom: 0; }
    .book-post .video-container {
      position: relative;
      margin-bottom: 1.5rem;
      padding-bottom: 56.25%;
      height: 0;
      overflow: hidden; }
      .book-post .video-container iframe {
        position: absolute;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0; }
    .book-post a.gallery-item:hover {
      text-decoration: none; }
    .book-post figcaption {
      text-align: center;
      font-size: 0.75rem;
      color: #282828; }
    .book-post img {
      display: block;
      margin-left: auto;
      margin-right: auto; }
    .book-post figure.highlight {
      margin: 24px 0;
      padding: 0;
      border-radius: 4px;
      box-shadow: 0px 0px 1px 1px rgba(0, 0, 0, 0.1);
      position: relative;
      overflow: auto; }
      .book-post figure.highlight pre {
        font-size: 13px;
        line-height: 22px; }
      .book-post figure.highlight .gutter {
        padding: 10px 6px 10px 14px; }
        .book-post figure.highlight .gutter pre {
          margin: 0;
          text-align: right;
          color: #b8b8b8;
          -webkit-user-select: none;
          -khtml-user-select: none;
          -moz-user-select: none;
          -ms-user-select: none;
          user-select: none; }
      .book-post figure.highlight .code {
        padding: 10px; }
        .book-post figure.highlight .code pre {
          margin: 0;
          padding-left: 0; }
      .book-post figure.highlight table {
        margin: 0; }
        .book-post figure.highlight table tbody {
          display: block;
          margin: 0; }
          .book-post figure.highlight table tbody tr td {
            border: none; }
      .book-post figure.highlight figcaption {
        background-color: #21252b;
        padding: 9px;
        font-size: 15px;
        color: white;
        user-select: none;
        text-align: center; }
        .book-post figure.highlight figcaption ::after {
          content: " ";
          position: absolute;
          -webkit-border-radius: 50%;
          border-radius: 50%;
          background: #fc625d;
          width: 11px;
          height: 11px;
          top: 14px;
          left: 16px;
          -webkit-box-shadow: 24px 0px #fdbc40, 40px 0px #35cd4b;
          box-shadow: 20px 0px #fdbc40, 40px 0px #35cd4b;
          z-index: 3; }
      .book-post figure.highlight .marked {
        background-color: #fffce8; }
      .book-post figure.highlight pre .deletion {
        background: #fdd; }
      .book-post figure.highlight pre .addition {
        background: #dfd; }
      .book-post figure.highlight pre .meta {
        color: #6faadb; }
      .book-post figure.highlight pre .comment {
        color: #5c6370;
        font-style: italic; }
      .book-post figure.highlight pre .tag {
        color: #39adb5; }
      .book-post figure.highlight pre .number,
      .book-post figure.highlight pre .preprocessor,
      .book-post figure.highlight pre .literal,
      .book-post figure.highlight pre .params,
      .book-post figure.highlight pre .constant,
      .book-post figure.highlight pre .command {
        color: #d47171; }
      .book-post figure.highlight pre .built_in {
        color: #e2b35c; }
      .book-post figure.highlight pre .variable,
      .book-post figure.highlight pre .attribute,
      .book-post figure.highlight pre .regexp,
      .book-post figure.highlight pre .ruby .constant,
      .book-post figure.highlight pre .xml .tag .title,
      .book-post figure.highlight pre .xml .pi,
      .book-post figure.highlight pre .xml .doctype,
      .book-post figure.highlight pre .html .doctype,
      .book-post figure.highlight pre .css .id,
      .book-post figure.highlight pre .tag .name,
      .book-post figure.highlight pre .css .class,
      .book-post figure.highlight pre .css .pseudo,
      .book-post figure.highlight pre .ruby .class .title,
      .book-post figure.highlight pre .css .rules .attribute,
      .book-post figure.highlight pre .string,
      .book-post figure.highlight pre .value,
      .book-post figure.highlight pre .inheritance,
      .book-post figure.highlight pre .header,
      .book-post figure.highlight pre .ruby .symbol,
      .book-post figure.highlight pre .xml .cdata,
      .book-post figure.highlight pre .special,
      .book-post figure.highlight pre .number,
      .book-post figure.highlight pre .formula {
        color: #83c951; }
      .book-post figure.highlight pre .keyword,
      .book-post figure.highlight pre .title,
      .book-post figure.highlight pre .css .hexcolor {
        color: #9675c2; }
      .book-post figure.highlight pre .function,
      .book-post figure.highlight pre .python .decorator,
      .book-post figure.highlight pre .python .title,
      .book-post figure.highlight pre .ruby .function .title,
      .book-post figure.highlight pre .ruby .title .keyword,
      .book-post figure.highlight pre .perl .sub,
      .book-post figure.highlight pre .javascript .title,
      .book-post figure.highlight pre .coffeescript .title {
        color: #6181b6; }
      .book-post figure.highlight pre .tag .attr,
      .book-post figure.highlight pre .javascript .function {
        color: #c678dd; }
  
  .book-toc {
    position: fixed;
    font-size: 0.75rem;
    width: 100%; }
    .book-toc .book-tocbot {
      max-height: 450px;
      max-width: 250px;
      overflow: auto;
      position: relative;
      padding-right: 0.875rem; }
      .book-toc .book-tocbot ul {
        list-style: none;
        position: inherit;
        overflow: hidden; }
        .book-toc .book-tocbot ul li {
          margin-left: 0.25rem; }
    .book-toc .toc-link::before {
      background-color: white !important; }
    .book-toc .is-active-link::before {
      background-color: #004ed0 !important; }
    .book-toc .book-tocbot-menu {
      margin: 1rem 0.75rem;
      font-size: 0.75rem; }
      .book-toc .book-tocbot-menu a {
        display: block;
        margin: 0.375rem 0;
        color: #999;
        cursor: pointer; }
      .book-toc .book-tocbot-menu a:hover {
        color: gray; }
  
  .book-sidebar .site-meta {
    margin: 0.5rem 0 0.875rem 0; }
    .book-sidebar .site-meta a {
      color: #2f2f2f; }
    .book-sidebar .site-meta a:hover {
      color: #2f2f2f; }
  
  .book-sidebar .sidebar-content {
    padding-right: 1rem;
    display: none; }
    .book-sidebar .sidebar-content ul {
      list-style: none;
      margin-left: 0; }
      .book-sidebar .sidebar-content ul ul {
        margin: 0 0 0 .5rem; }
    .book-sidebar .sidebar-content .icon {
      vertical-align: unset; }
  
  .book-sidebar a {
    color: #2f2f2f; }
  
  .book-sidebar a:hover {
    color: gray; }
  
  .book-sidebar .book-sidebar-current {
    color: #004ed0; }
  
  .book-comments {
    padding: 0 0 1.5rem 0; }
  
  #disqus_thread {
    margin: 50px 0; }
  
  .right {
    text-align: right; }
  
  .left {
    text-align: left; }
  